What is the Greatest Common Factor of 3771 and 3781?

Greatest common factor (GCF) of 3771 and 3781 is 1.

GCF(3771,3781) = 1

We will now calculate the prime factors of 3771 and 3781, than find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 3771 and 3781.

How to find the GCF of 3771 and 3781?

We will first find the prime factorization of 3771 and 3781. After we will calculate the factors of 3771 and 3781 and find the biggest common factor number .

Step-1: Prime Factorization of 3771

Prime factors of 3771 are 3, 419. Prime factorization of 3771 in exponential form is:

3771 = 3² × 419¹

Step-2: Prime Factorization of 3781

Prime factors of 3781 are 19, 199. Prime factorization of 3781 in exponential form is:

3781 = 19¹ × 199¹

Step-3: Factors of 3771

List of positive integer factors of 3771 that divides 3771 without a remainder.

1, 3, 9, 419, 1257

Step-4: Factors of 3781

List of positive integer factors of 3781 that divides 3771 without a remainder.

1, 19, 199

Final Step: Biggest Common Factor Number

We found the factors and prime factorization of 3771 and 3781. The biggest common factor number is the GCF number.
So the greatest common factor 3771 and 3781 is 1.

Also check out the Least Common Multiple of 3771 and 3781